A randomized 25 question test from a pool of 761 questions, good luck!
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will solve scalability, but is still limited because of multiple DA servers and duplication of information requiring an overuse of bandwidth?
CSMA/CD is used as an access method that uses constructive interference detection for any data collisions. Which of the OSI layers does this detection occur on?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that converts 8 or 16 inputs to a digital signal?
There are numerous Ethernet standards, a naming formula was developed to identify characteristics of physical connections. Which of the answers below lists all of the information contained in the naming convention?
Which of the terms below best describes the electromagnetic noise that corrupts transmitted wave forms with echoes of itself?
Which of the recommended standards below would be best described as an unbalanced transmission system?
A DCS can be programmed with function blocks that are needed to execute specific tasks. Which of the answers below describes where the information to define these tasks comes from?
The installation of a SCADA system has several difficulties associated with it. Which of the challenges below would be best defined as one that accommodate with the amount data throughput?
I to P converters are best defined as which of the following answers?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links several smaller area networks together over a wide geographical area.
Historical data can be logged through a HMI application. Which of the data storage methods below would best be described as one that looses resolution of the data, although reduces the volume of data?
IPv4 addresses are expressed in four components. Which of the terms below is used to name those four components?
IPv4 and IPv6 are the two current versions of IP. Which of the answers below is the defining difference between the two protocols?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the second smallest in area covered?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make the I/O of a DCS and it's associated controllers communicate?
Parameter settings program the behavior of the function block. Which of the parameters below can be described as one that transmits data to another block?
Which of the wire types below is best described as "requiring a tinned copper drain wire"?
Which of the answers below can be best described as "A coating surrounding the optic core that reflects the light signal back into the core"?
Due to the uncomplicated nature of the Modbus frame structure, it requires a simple access method. Which of the access methods below is a method that this frame structure supports?
There are several devices that reside at each layer within the a typical DCS. Which of the levels below is where PLC and SIS controllers reside?
There are numerous function block modes which are permitted. Which of the modes below is best described as the mode the function block desires to be in?
Which of the answers below best defines the loop resistance range for a HART communication device?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the manipulation process control inputs?
Redundant capability is critical for any DCS. Which of the redundancies below would function properly if no faults occur, and will shutdown if one occurs?